<!--
 * new page
 * @author: eminem89
 * @since: 2023-12-24
 * Person.vue
-->
<template>
    <div class="person">
        <h2>当前求和为:{{ sum }}</h2>
        <button @click="add">点我sum+1</button>
    </div>
</template>

<script lang="ts" setup name="Person">
import {
    ref,
    onBeforeMount,
    onMounted,
    onBeforeUpdate,
    onUpdated,
    onBeforeUnmount,
    onUnmounted,
} from 'vue';

let sum = ref(0);

function add() {
    sum.value += 1;
}
console.log('setup');
// 生命周期钩子
onBeforeMount(() => {
    console.log('挂载之前');
});
onMounted(() => {
    console.log('子-----挂载完毕');
});
onBeforeUpdate(() => {
    console.log('更新之前');
});
onUpdated(() => {
    console.log('更新完毕');
});
onBeforeUnmount(() => {
    console.log('卸载之前');
});
onUnmounted(() => {
    console.log('卸载完毕');
});
</script>

<style scoped>
.person {
    background-color: skyblue;
    box-shadow: 0 0 10px;
    border-radius: 10px;
    padding: 20px;
}

button {
    margin: 0 5px;
}
</style>
